About Dr. Mahdavian

Dr. Mani Mahdavian is Board Certified in Gastroenterology and Internal Medicine. He practices at Lakeshore Gastroenterology and Liver Institute in Des Plaines, Illinois.   Expert in Endoscopic Ultrasound (EUS), pancreatic biliary disease treatment, Endoscopy, ERCP, Irritable Bowel Syndrome (IBS) and GI malignancy.

Dr. Mani Mahdavian is a renowned gastroenterologist whose goal is providing patient friendly medical care, with an individualized approach. He has clinical expertise in Endoscopic Ultrasound and pancreatic biliary disease and advanced GI procedures in his practice at Lakeshore Gastroenterology and Liver Disease Institute. He is Board Certified in Gastroenterology and Internal Medicine.

In addition to caring for patients in his practice, Dr. Mahdavian currently serves as the Chairman of the Board at Des Plaines Endoscopy Center. Under his leadership, a multidisciplinary team of specialists in gastroenterology and surgery provide comprehensive care for patients. He currently serves as a Faculty Member at Advocate Lutheran General Hospital providing training and education for residency and fellows.

During internship and residency he was Chief Resident at Edgewater Medical Center. After completing his fellowship in gastroenterology at Advocate Lutheran General Hospital, Dr. Mahdavian was a researcher and extensive lecturer in a variety of gastroenterology topics at Chicago Medical School and Advocate Lutheran General Hospital. He has been a co-author in a variety of publications and abstracts including the American Journal of Gastroenterology. He joined the Advocate Lutheran General Hospital's Department of Internal Medicine as Teaching Faculty in 2001 and later opening his practice in 2008. Dr. Mahdavian is a member of several gastrointestinal professional societies.

Dr. Mahdavian spends his leisure time with his family, skiing, hiking, playing soccer, reading, and spending time with his two children.  

He and the healthcare team at Lakeshore Gastroenterology and Liver Disease Institute work together to help you Get Back To Living Comfortably.

Education & Training

Board Certifications

American Board of Internal Medicine and Gastroenterology

Medical School

Shahid Beheshti University Of Medical Sciences

Internship & Residency

Edgewater Medical Center


Advocate Lutheran General Hospital

Practicing Since



Member American College of Gastroenterology (ACG)

Member American Medical Association (AMA)

American Society for Gastrointestinal Endoscopy (ASGE)


Program Director Lakeshore Gastroenterology and Liver Disease Institute

Chairman of the Board at Des Plaines Endoscopy Center

Faculty Member, Advocate Lutheran General Hospital

Endoscopic Ultrasound at the University of Montreal and The University of Illinois at Chicago

Former Director of the GI Cancer Program, Advocate Lutheran General Hospital

Former Member of the Cancer Board, Advocate Lutheran General Hospital

Former Teaching Faculty of the Advocate Lutheran General Hospital Department of Internal Medicine




Endoscopic ultrasound

Irritable Bowel Syndrome (IBS)

GI malignancy

Languages Spoken

English, German, Farsi


Teaching Faculty of the Year, 2002-03 Lutheran General Hospital, Department of Family Practice

Contact Information

150 N. River Road, Suite 210, Des Plaines, IL 60016

PHONE (847) 290-3800

FAX (847) 290-0889 

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